diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-09-27 13:16:00 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-09-27 13:18:49 -0300 |
| commit | aec1930b0f6f281a0ca038cd03aceace3fe0bb61 (patch) | |
| tree | 6145315d849511217a19460de3af364d5c895db7 | |
| parent | bb2d17a014914b628df42b0c76c85fa8a8c57e79 (diff) | |
perf trace: Add aliases for some syscalls
What we get from audit_syscall_to_name isn't what we find in the
syscalls: tracepoint events, so add the alias that allows the tool to
find prctl, fstat, fstatat and stat.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-3m9su7jhwnxvepnr3ne1du5k@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/builtin-trace.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 5fa1820cc969..8f113dab8bf1 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -9,15 +9,20 @@ static struct syscall_fmt { const char *name; + const char *alias; bool errmsg; bool timeout; } syscall_fmts[] = { - { .name = "futex", .errmsg = true, }, - { .name = "poll", .errmsg = true, .timeout = true, }, - { .name = "ppoll", .errmsg = true, .timeout = true, }, - { .name = "read", .errmsg = true, }, - { .name = "recvfrom", .errmsg = true, }, - { .name = "select", .errmsg = true, .timeout = true, }, + { .name = "arch_prctl", .errmsg = true, .alias = "prctl", }, + { .name = "fstat", .errmsg = true, .alias = "newfstat", }, + { .name = "fstatat", .errmsg = true, .alias = "newfstatat", }, + { .name = "futex", .errmsg = true, }, + { .name = "poll", .errmsg = true, .timeout = true, }, + { .name = "ppoll", .errmsg = true, .timeout = true, }, + { .name = "read", .errmsg = true, }, + { .name = "recvfrom", .errmsg = true, }, + { .name = "select", .errmsg = true, .timeout = true, }, + { .name = "stat", .errmsg = true, .alias = "newstat", }, }; static int syscall_fmt__cmp(const void *name, const void *fmtp) @@ -74,10 +79,15 @@ static int trace__read_syscall_info(struct trace *trace, int id) if (sc->name == NULL) return -1; - snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name); + sc->fmt = syscall_fmt__find(sc->name); + snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name); sc->tp_format = event_format__new("syscalls", tp_name); - sc->fmt = syscall_fmt__find(sc->name); + + if (sc->tp_format == NULL && sc->fmt && sc->fmt->alias) { + snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->fmt->alias); + sc->tp_format = event_format__new("syscalls", tp_name); + } return sc->tp_format != NULL ? 0 : -1; } |